/*实现返回顶部的css样式表*/
#totop {
    position: fixed;
    bottom: 40px;
    right: 10px;
    z-index: 999;
    width: 71px;
    cursor: pointer;
    display: none;
}

* html #totop {
    position: absolute;
    cursor: pointer;
    right: 10px;
    display: none;
    top: expression(eval(document.documentElement.scrollTop + document.documentElement.clientHeight) -112 + "px")
}

#totop a {
    display: block;
    width: 71px;
    height: 24px;
    padding-top: 48px;
    background: url(../image/toTop.gif) no-repeat;
    text-align: center;
	text-decoration: none;
    color: #888
}

#totop a.cur {
    background-position: -88px 0;
    text-decoration: none;
    color: #3a9
}